RING-BACK-UP 7U9350 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     9U-7692     Threaded Rod     2    
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Thoroughly clean the mating surfaces of the travel motor and the final drive.
Illustration 1 g00878123
Install new O-ring seal (6) . Apply clean hydraulic oil on the O-ring seal.
Illustration 2 g00707267
Attach a suitable lifting device to travel motor (4) , as shown.
The weight of the travel motor is approximately 57 kg (125 lb).
Illustration 3 g00878121
Carefully install travel motor (4) onto Tooling (A) . Slide the travel motor into the final drive.
Install one of three bolts (5) that secures the travel motor to the final drive.
Remove Tooling (A) .
Illustration 4 g00707275
Typical example
Install remaining bolts (2) .
Connect hose assembly (3) . Connect hose assembly (1) .
Fill the final drive with oil.ReferenceRefer to Operation and Maintenance Manual, "Lubricant Viscosities" for the proper oil viscosity.ReferenceRefer to Operation and Maintenance Manual, "Final Drive Oil Level - Check" for the correct filling procedure.
Install high efficiency filters in place of the pilot filter, the case drain filter, and the return filter.Note: High efficiency filters should not be run for more than 250 hours before you change back to the standard filters.
Obtain a hydraulic oil sample from the main S O S port.ReferenceRefer to Operation and Maintenance Manual, "Sampling Interval and Location of Sampling Valve" for the correct location.
If the S O S sample exceeds ISO 18/15, flush the hydraulic system.ReferenceRefer to Contamination Control Guidelines, SEBF8436, "Hydraulic System Flushing Procedure for 322C Hydraulic Excavators" for further information.End By: Install the travel brake valve. Refer to Disassembly and Assembly, "Travel Brake Valve - Install".